I'll have to admit that I know little about this brand or mount. I've always been a Pentax user... This unit is in excellent condition. Made in Germany. There are no holes in the bellows paper, the knobs operate perfectly, and the movement is nicely damped. Everything else turns and/or operates just as it should. The rails are nice and clean. There is a small amount of finish missing, (as illustrated) on the rear mount, but it is smooth and not pitted. Has 1/4" and 3/8" holes in tripod mount.

Also included in this auction is three Zeiss filters. A Zeiss Contapol 3x B56 polarizer, a Zeiss B56 Skylight filter, and a Zeiss 85B B56 filter. The orange filter has a little faded area at part of the outer edge, the polerizer shows about 1/8" around the outer edge where the polerized film may have separated from the glass. The UV filter is good, save for one very, very tiny spot, (smaller than the head of a pin,) which may be a small "pick" or something. - Should not effect image quality. Also included, (not pictured) is a slim metal ring, 58mm+-) that looks like it may have threads on one edge, knurled on the other edge and black on the inside. It was included in this lot when I received it, so it must be connected in some way... I will gladly and promptly answer any questions.